DNS on Mac override workaround to fix dns issues with InfoBlox

readme.md

How to Set DNS Servers from the Command Line of macOS with networksetup

For example, to set a Mac with wi-fi to Google DNS of 8.8.8.8 the syntax would be:

networksetup -setdnsservers Wi-Fi 8.8.8.8

You can set multiple DNS servers if desired,

networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4

How to Clear All DNS Servers with networksetup

networksetup -setdnsservers Wi-Fi Empty

Checking DNS Settings with networksetup

networksetup -getdnsservers Wi-Fi

InfoBlox DNS issue fix

Workaround is to set DNS every second

#!/bin/bash

while true; do
  networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4
  sleep 1;
done

dns_fix.sh

#!/bin/bash

while true; do
  networksetup -setdnsservers Wi-Fi 8.8.8.8 8.8.4.4
  sleep 1;
done